Color

#545a6d

#545a6d
hex#545a6d
rgbrgb(84, 90, 109)
hslhsl(226, 13%, 38%)
oklchoklch(0.47 0.032 271.4)
Closest name: Blackwater (#545663)Relative luminance 0.103

Colors that go with #545a6d

Steel Blue, Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6d6854

#54676d · #5b546d

#6d545a · #5a6d54

Split-complementary

Open in tool →

#6d5b54 · #676d54

#6d5467 · #6d6854 · #546d5b

Contrast

#545a6d as textRatioAAAA largeAAAFix
Aaon white
6.86:1passpassfail
  • AAA: use #52586b as the text (7.08:1)
Aaon black
3.06:1failpassfail
  • AA: use #6d748d as the text (4.53:1)
  • AAA: use #8f95a8 as the text (7.03:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545a6d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #545a6d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #545a6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545a6d-9ca1c4-df774e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md